期刊
PHYSICAL REVIEW A
卷 79, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.062313
关键词
encoding; protocols; quantum computing; teleportation
资金
- MEXT
- JSPS [1907329, 19540422]
- Grants-in-Aid for Scientific Research [19540422] Funding Source: KAKEN
We study a (k,m)-threshold controlling scheme for controlled quantum teleportation. A standard polynomial coding over GF(p) with prime p>m-1 needs to distribute a d-dimensional qudit with d >= p to each controller for this purpose. We propose a scheme using m qubits (two-dimensional qudits) for the controllers' portion, following a discussion on the benefit of a quantum control in comparison to a classical control of a quantum teleportation.
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